MVC :: View The Modelstate Errors In Action Method?

Oct 18, 2010 11:55 PM

for debugging purposes, how do I see the ModelState errors from code in the action method? ModelState.IsValid returns false. I want to copy the error messages to a variable so I can display them in the debugger.


MVC :: ModelState Errors Not Being Displayed In View?

Jan 17, 2011 06:04 AM

My problem is that though there are values in the modelstate, the error messages are not being displayed in the View. What is wrong with my code?


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ModelState Missing Errors?

Dec 13, 2009, 22:13

I have another weird scenario for you all. I have an edit action that is exhibiting odd behavior. First, the model being bound has this one int property that get's it's value from a text box. I then test it's range and so forth. But here's the oddity, if text is entered, the internal validator knows there's an error, yet 0 is bound to the actions incoming model. When passed back into the view for re-display, the box is correctly highlighted, but no error message is in the summary for it, and the old value (the text entered) not the value passed in by the bound model (0).


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How To Add Errors To ModelState Using The Correct Key

Dec 15 10 at 19:57

I want to perform some simple form validation in my controller.

Here's an excerpt from the controller action:


It appears that must use a string as the error's key. Is there a way i can generate the corect key from the model, or should I just check for what input name Html.PasswordFor(x => x.NewPassword) returns?

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Showing Modelstate Errors While Using RenderPartialToString?

Apr 29 10 at 19:20

Im using the following code:


To return a partial view and a form through JSON. It works as it should, but as soon as I get modelstate errors my ValidationSummary does not show. The JSON only return the default form but it does not highlight the validation errors or show the validation summary.

Am I missing something?

This is how I call the RenderPartialToString:

string partialView = RenderPartialToString(this.ControllerContext, "~/Areas/User/Views/Account/ChangeAccountDetails.ascx", new ViewDataDictionary(avd), new TempDataDictionary());

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PropertyName Not Showing Up In ModelState.errors

Apr 8 10 at 13:06

Imagine, a model like this:

public AddressType[] Address { get; set; }
internal class AddressValidation : ValidationAttribute
public override bool IsValid(object value)
//Assume we are valid
var isValid = true;
//Cast to something useful
var addresses = (AddressType[])value;
var defaultAddresses = addresses.Count(a => a.AddressCode == AddressCodeEnum.@default);
if (defaultAddresses == 0)
ErrorMessage = "One address must be the default address";
isValid = false;
else if (defaultAddresses > 1)
ErrorMessage = "Only one address can be the default address";
isValid = false;
//Return the result
return isValid;

When the model is validated by the controller, any of the subordinate addresses are properly validated and any errors are returned as modelstate errors. However, the custom attribute's error is never added to modelstate, even though it validates false. It seems as if this should work, the validation is called and I can step through it - it just never gets added to modelstate.

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C# - How To Call A Javascript Method After Action Or From A View

Feb 12 10 at 10:00

i just want to be able to call a javascritp subroutine on the client, after the server has done its thing (when an action completes or control goes to the view, i'd dont mind calling the js from the view either).

for some reason, even vs2010 doesn't let me put breakpoints in <% ... %> tagged areas between <script...> and </script> tagged areas. i for this reason can't figure out whats going on and how it's running things. here is what i've put in my view, and the javascritp should run, but it doesn't....

im just trying to call "RunOnceRoutines;" but it's not getting called!

the 2 questions: how on earth do we call javascript methods from server, and where is all this lovely javascript debugging i've heard about since vs2008? no where to be found!


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Passing Value From Action Method To View From Where It Is Called

Mar 3 at 13:40

In one view (view1) there is a text box and a button beside it. i click on that button, i am popping another view (Create view) as a seperate window. in create view i am entering some values and creating a record in db. out of these values one value i have to send back to "View1". how can i send this value? i am opening view2 from view1 like

<input type="button" value="Get ID"
onclick="'<%=Url.Action("Create","Controller1") %>',

View2 contains some fields like Name,Email etc... and I click "Create" to call HTTPPOST. there i add the values to db including a generated guid. i want to send this ID to view1.

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MVC :: Not Getting Values From View To Controllers Action Method?

Apr 21, 2010 01:41 PM

When i try to insert values from textbox to db the values are not getting inside controllers action method.

My View Page codings

<%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPage<MvcEntity.Models.Movie>" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">


System.ArgumentException: Value cannot be null or empty.

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.net - Pass Int Value As Model To A View From An Action Method?

Sep 16 10 at 12:48

I am using ASP.NET MVC 1. I want to pass an int value to from an action to view. I can use 2 ways.

Use ViewData dictionary.
Define a class to contain the int value.

Other these two, Is there a way to pass the int value to view so that I can get the int value using just Model like

<label><%= Model %></label>

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MVC :: To Report Modelstate Errors Via Ajax Request?

Mar 08, 2010 11:35 AM

How to send the modelstate errors or any other exception to the view via ajax?

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MVC :: Reporting Modelstate Errors In Ajax Request?

Aug 26, 2009 12:36 AM

What is a good way to pass the modelstate errors back to the user when Request.IsAjaxRequest is true? Im using the jquery ajax function in javascript code to call the action asynchronously.

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MVC :: ModelState.IsValid Check In Every Action?

May 19, 2010 06:49 AM

Is it necessary to do a ModelState.IsValid check at the top of every action? It seems that it is since the default model binder could make it invalid depending on the action parameters.

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MVC :: Getting The Reference Of Dropdown Server Control In The Action Method Of View Controller

Dec 30, 2010 03:39 AM

I am having a dropdown server control on view, when the user clicks the submit btn at that time the form gets posted. and a action method in view controller is called with verb=post.

But the problem is that how should i get reference to the dropdown server control in the action method of view controller?

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MVC :: Force Action Method Can Only Be Called From Another Action Method?

Jun 01, 2009 09:56 PM

I got an action method (say public void ShowMeSomething ), and I do not want users to be able to browse to mysite/this/showmesomething. However I want this action method to be callable from another action method.

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MVC :: Action Method Returning An ActionResult Used In A Action Method?

Aug 27, 2010 07:45 AM

I have the Index action method calling a method that itself is an action method.

Example :


What to do in this case ?

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MVC :: Redirect Action Not Working In Jqgrid Action Results Method

Mar 23, 2011 09:36 PM

I am desiging a master and details page from a search page..user can search for something and I need to display the result in jqgrid if the result has more than 1 row or record.. if the result is just one record then i have to directly send then to details page by skiping grid page... I do have an action method for results page and one more action method for Jqgrid data..i am trying to check the row count for the database result and trying to redirect to details action results..but its not working at all..and showing an empty jqgrid..


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MVC :: Returning View When ModelState Not Valid

Feb 25, 2010 09:36 PM

I've written a View (form) that has a section with two radio buttons and a blank <DIV> block that will dynamically be updated. When one radio button is clicked, a <DIV> on the page is updated with fields specific to that radio button option. When the other radio button is clicked, the <DIV> on the page is updated with fields specific to that radio button option. To determine what content gets displayed when a radio option is selected, I call a JavaScript function and set the content appropriately using jQuery. Pretty easy so far. Let's assume that the User has toggled the radio buttons and filled in some data. Further down in the form, the User has entered an invalid e-mail address. When the User submits the View, the ModelState is invalid. If it is invalid, I return the View.


Problem is, when the View is returned, some of the form fields (that are static) are in place. However, the <DIV> that was previously updated based on User radio button selections is reset to its original state. When we return a View because of an invalid Model State, is MVC smart enough to return the View in it's modified state (in this case, with the modified DIV and dynamically added content)?

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MVC :: Check ModelState.IsValid Within A View?

Aug 04, 2009 04:26 AM

I want to display a message in the view (but not a bulleted summary) when ModelState is invalid. I can get around this by passing a bool in my ViewModel, but is there a built-in way to check ModelState.IsValid within the view?

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MVC :: How To Run A Test And When It Returns A View When ModelState Is Invalid - Nothing Shows Up

Jul 26, 2010 03:10 PM

I've been working with MVC 2 for awhile and ive done ReturnToAction as well as ValidationSummary - but this is a little different in that my "submit" buttons are controls by javascript/JQuery - i debug the action and it does go into the correct Controller Action but once it passes over RedirecToAction, nothing happens....

My second problem is that my ValidationSummary fails to show - i run a test and when it returns a View when ModelState is invalid - nothing shows up

Is it a problem with my buttons/forms/submit/JQuery?


And the Controller looks like this:


My Services handle things like validation, I pass it the ModelState and a ModelStateDictionary wrapper and add errors - am i adding errors incorrectly?


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MVC :: Partial View In Modal Dialog (using Ajax/jQuery) - How To Handle Invalid Modelstate

Mar 18, 2010 05:36 AM

After wading through quite a few articles on creating modal forms (using partial views and jquery) I got things working fine for my long as you enter a valid login though!

What I did:

Created a partial view containing my login form.

In my action controller, the get action just return a PartialViewResult, which get dealt with by a bit of jQuery in my master:[Code]....

Like I said this works fine. Now the post action of my login check if it's a valid login, and if so send the user to the passed returnurl or the home page.

However, if the validation fails, I now return the partial view again, which work , but the partial get displayed by itself instead of rendering in the modal form that was opened by jquery.

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When Try To View The Files In VWD 2008 Get Various Errors, Depending On Which Page View?

May 05, 2010 07:09 PM

I'm being tasked with making changes to an application and really have no experience working with them other than dabbling in VWD.I was given a zip file of the directory containing the files. It was developed in VWD 2005. . My question is a general one: Are there steps I need to take (regenerate web.config file? change settings of some sort?) in order to get started? The application is functional on the web server.

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MVC :: Action Links Does Not Appear In Masterpager Design View Nor In View Page?

Mar 03, 2011 09:29 AM

i am trying to but a menu of links in master page

but they does not appearr

here is the code


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MVC :: Cascading Action For Multiple Partial View In One View?

Nov 01, 2010 04:21 PM

I would like to create one view for my CRUD actions. The view contains 3 basic DIV updatetargets ("search form", "search result listing" and "action" (would be create,detail,edit,delete). Basic flow would be: "Search" updates the "Search Result Listing", click on CRUD actions in listing would show partial view in "action".

how do I call to refresh the "Listing" after I do any add/update/delete without having user click search again?



Result Listing:


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MVC :: How To Get The Current Model State In Method TestControl() If Add Some Errors

Jul 30, 2009 07:56 AM


If post have no errors all work fine. But how can I get the current model state in method TestControl() if I add some errors?

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How To Get The URL Of An Action Method In .NET MVC Using AJAX

Nov 11 10 at 17:48

How can I make an AJAX call to retrieve the URL of controller's action method?

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MVC :: Getting An Id From The URL In Post Action Method?

Jul 23, 2009 05:32 PM

i am trying to assign an id from the url into a column in my database, i have the following code in the post action of my controller

I would like to pass the id from for example the following url into the CollabId variable in the controller method, can anyone offer any advice on how to do this.



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MVC :: How To Use AdditionalFields In Action Method

Jan 20, 2011 08:47 PM

I've been using the new ASP.Net MVC 3 RemoteAttribute to send a remote call to an action method that had a single parameter. Now I want to pass in a second parameter using the AdditionalFields property:

[Remote("IsEmailAvailable", "Users", AdditionalFields = "InitialEmail")]

Where IntialEmail is a hidden field in the view. The action looks like so:

public JsonResult IsEmailAvailable(string email,string InitialEmail){//etc.}

When the view is rendered, the hidden field is populated, but when the Action method is triggered remotely, the value is an empty string.

I've seen elsewhere case sensitivity may be an issue, so I've ensured the Action method has the same case for both parameters.

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MVC :: Explicitly Set Action Method?

Mar 11, 2010 12:12 PM

I have 2 views for a input operation in my application.

The first view (lets call it view1) submits a form. Based on the form some operations on database is done and second view(View2) is returned with some other data from the database as a model.


Now, since I return a new view and not a action redirect the url is still http://url/View1 but everything works as it is supposed to.

When I submit the form in View2 it calls the View1 action method, not the View2 action method. Probably because the url is still View1.

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MVC :: Checkbox Value Not Mapping To Action Method?

Sep 01, 2009 12:26 AM

I have an action method that accepts an object as it's first parameter. One of the properties of the object is called "InMenu".

The form being submitted contains a checkbox called "InMenu" (Created with the Html.CheckBox helper method). Regardless of what I choose in the checkbox I always get false as the value. If I add a "bool inMenu" parameter to my action method i get an error complaining that "inmenu" is null in the form collection (it's not - it's value is 'true, false'). If i make it 'bool? inMenu' it's always null...

In short checkboxes completely fail in MVC despite me following the most basic of samples. The value in the form collection is just being ignored. :|

Checkbox code:


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Passing A Parameter To Action Method?

Sep 8 10 at 1:34

public ActionResult RenderMyThing(IList<String> strings)
return View("RenderMyView");

How do I pass in strings?

routes.MapRoute("MyRoute", "RenderMyThing.aspx", new { controller = "My", action = "RenderMyThing" });

Is there a way I could pass in strings here?

Secondly, how does ASP.NET MVC know that action is my action, and controller is my controller. Like I saw this in samples, and it does work, but isn't it just an anonymous object with no type?

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MVC :: JQuery Post To An Action Method?

Oct 19, 2010 09:42 AM

I'm trying to use the function to post an object to an action method, but for some reason the nested objects aren't initialised properly when they're received by the action method.

Here's my javascript code:


And my action method:


company.Id has a value of 10, but company.User.Id is 0. what I'm doing wrong? I've not named any properties incorrectly, by the way.

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MVC :: Is Method Auto Calling Before Each Action

Jul 06, 2009 09:55 AM

Is any method auto calling before each action in Controller in ASP.NET MVC ?

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MVC :: Redirect To Post Method/Action?

Mar 28, 2011 02:24 PM

I have an ActionResult that accepts POST, however is there a work around for me to redirect from a controller to another controller containing this POST method/action?

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Rewriting The URL For A Controllers Action Method?

Nov 22 10 at 19:02

I have a controller called Person and it has a post method called NameSearch.

This method returns RedirectToAction("Index"), or View("SearchResults"), or View("Details"). The url i get for all 3 possibilities are [URL] How would i change this to rewrite the urls to [URL], [URL] for View("SearchResults"), and [URL].

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MVC :: Passing Model From One Action Method To Another

May 23, 2010 12:48 PM

I'm sure something like this worked before for taking a type and pass it to another action method (I cannot / never use TempData)


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C# - Create Hyperlinks In MVC Action Method?

Jun 24 10 at 13:16

have an action method returning a JsonResult in my controller:

public JsonResult GetDetails()
var rows = //Linq-To-SQL


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Trying To View Jpg In GridView But Encountering Errors

Feb 02, 2010 06:06 PM

I tried to follow the example here: [URL] I pointed my .aspx page to Northwind > Employees, because that table already has a field for pictures, and a few data points, so I thought it would make sense to use that. I followed the instructions and set my DataImageUrlField to ProfilePicture. I'm not sure where the images go, or even where 'ProfilePicture' goes, so I created a new folder in my project and named the folder 'ProfilePicture' and put the pictures in there. So, now I have this kind of setup: C:Documents and SettingsThinkPadDesktopWebSite1Profile_Pictureimage1.jpg

Then I loaded the page and all data loads into the DatGrid fine, except for the images. So I copy/paste the code into 'Default.aspx.vb' and I debug and get this error: Compilation Error Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. Compiler Error Message: ASPNET: Make sure that the class defined in this code file matches the 'inherits' attribute, and that it extends the correct base class (e.g. Page or UserControl)............

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MVC Form Post Not Triggering Action Method?

Dec 05, 2009 08:24 PM

to have two post forms in a single MVC view, both validating an anti forgery token??? For some reason, the post is being ignored and a get is being called.

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MVC :: Call Html Helper Method Within Action?

Sep 01, 2009 06:39 AM

How can I call a HTML helper method within an Action? Html.DropDownList for example

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